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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2014, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.sequencediagram.graphic;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.sequencediagram.NotePosition;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ArrowComponent;
import net.sourceforge.plantuml.skin.Component;
import net.sourceforge.plantuml.skin.Context2D;
import net.sourceforge.plantuml.skin.Skin;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;
class MessageArrow extends Arrow {
private final LivingParticipantBox p1;
private final LivingParticipantBox p2;
private final Component compAliveBox;
public MessageArrow(double startingY, Skin skin, Component arrow, LivingParticipantBox p1, LivingParticipantBox p2,
Url url, Component compAliveBox) {
super(startingY, skin, arrow, url);
if (p1 == p2) {
throw new IllegalArgumentException();
}
if (p1 == null || p2 == null) {
throw new IllegalArgumentException();
}
this.p1 = p1;
this.p2 = p2;
this.compAliveBox = compAliveBox;
}
@Override
public double getActualWidth(StringBounder stringBounder) {
final double r = getRightEndInternal(stringBounder) - getLeftStartInternal(stringBounder);
assert r > 0;
return r;
}
private double getLeftStartInternal(StringBounder stringBounder) {
return getParticipantAt(stringBounder, NotePosition.LEFT)
.getLiveThicknessAt(stringBounder, getArrowYStartLevel(stringBounder)).getSegment().getPos2();
}
private double getRightEndInternalOld(StringBounder stringBounder) {
return getParticipantAt(stringBounder, NotePosition.RIGHT).getLiveThicknessAt(stringBounder,
getArrowYStartLevel(stringBounder)).getSegment().getPos1();
}
private double getRightEndInternal(StringBounder stringBounder) {
final Segment segment = getParticipantAt(stringBounder, NotePosition.RIGHT).getLiveThicknessAt(stringBounder,
getArrowYStartLevel(stringBounder)).getSegment();
if (segment.getLength() == 0) {
return segment.getPos1();
}
final double rectWidth = compAliveBox.getPreferredWidth(stringBounder);
return segment.getPos2() - rectWidth;
}
@Override
public double getPreferredHeight(StringBounder stringBounder) {
return getArrowComponent().getPreferredHeight(stringBounder);
}
@Override
public double getStartingX(StringBounder stringBounder) {
return getLeftStartInternal(stringBounder);
}
@Override
public int getDirection(StringBounder stringBounder) {
final double x1 = p1.getParticipantBox().getCenterX(stringBounder);
final double x2 = p2.getParticipantBox().getCenterX(stringBounder);
if (x1 < x2) {
return 1;
}
return -1;
}
public LivingParticipantBox getParticipantAt(StringBounder stringBounder, NotePosition position) {
final int direction = getDirection(stringBounder);
if (direction == 1 && position == NotePosition.RIGHT) {
return p2;
}
if (direction == 1 && position == NotePosition.LEFT) {
return p1;
}
if (direction == -1 && position == NotePosition.RIGHT) {
return p1;
}
if (direction == -1 && position == NotePosition.LEFT) {
return p2;
}
throw new IllegalArgumentException();
}
@Override
public double getPreferredWidth(StringBounder stringBounder) {
return getArrowComponent().getPreferredWidth(stringBounder);
}
@Override
protected void drawInternalU(UGraphic ug, double maxX, Context2D context) {
final StringBounder stringBounder = ug.getStringBounder();
ug = ug.apply(new UTranslate(getStartingX(stringBounder), getStartingY()));
startUrl(ug);
getArrowComponent().drawU(ug, new Area(getActualDimension(stringBounder)), context);
endUrl(ug);
}
private Dimension2D getActualDimension(StringBounder stringBounder) {
return new Dimension2DDouble(getActualWidth(stringBounder) - getPaddingArrowHead(), getArrowComponent()
.getPreferredHeight(stringBounder));
}
@Override
public double getArrowYStartLevel(StringBounder stringBounder) {
if (getArrowComponent() instanceof ArrowComponent) {
final ArrowComponent arrowComponent = (ArrowComponent) getArrowComponent();
final Dimension2D dim = new Dimension2DDouble(arrowComponent.getPreferredWidth(stringBounder),
arrowComponent.getPreferredHeight(stringBounder));
return getStartingY() + arrowComponent.getStartPoint(stringBounder, dim).getY();
}
return getStartingY();
}
@Override
public double getArrowYEndLevel(StringBounder stringBounder) {
if (getArrowComponent() instanceof ArrowComponent) {
final ArrowComponent arrowComponent = (ArrowComponent) getArrowComponent();
final Dimension2D dim = new Dimension2DDouble(arrowComponent.getPreferredWidth(stringBounder),
arrowComponent.getPreferredHeight(stringBounder));
return getStartingY() + arrowComponent.getEndPoint(stringBounder, dim).getY();
}
return getStartingY() + getArrowComponent().getPreferredHeight(stringBounder);
}
public double getMaxX(StringBounder stringBounder) {
return getRightEndInternal(stringBounder);
}
public double getMinX(StringBounder stringBounder) {
return getLeftStartInternal(stringBounder);
}
public String toString(StringBounder stringBounder) {
return getMinX(stringBounder) + "-" + getMaxX(stringBounder);
}
}
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